21200221021199 has 16 divisors (see below), whose sum is σ = 23464528464384. Its totient is φ = 18993240816000.

The previous prime is 21200221021171. The next prime is 21200221021211. The reversal of 21200221021199 is 99112012200212.

It is not a de Polignac number, because 21200221021199 - 2¹² = 21200221017103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200221021699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28586999 + ... + 29319224.

It is an arithmetic number, because the mean of its divisors is an integer number (1466533029024).

Almost surely, 2^{21200221021199} is an apocalyptic number.

21200221021199 is a deficient number, since it is larger than the sum of its proper divisors (2264307443185).

21200221021199 is a wasteful number, since it uses less digits than its factorization.

21200221021199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57906718.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 21200221021199 in words is "twenty-one trillion, two hundred billion, two hundred twenty-one million, twenty-one thousand, one hundred ninety-nine".